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Phenom II steppings and max OC 550-940 - Page 245

post #2441 of 2829
Quote:
Originally Posted by Gen View Post
OK guys, me need some help getting to 3.6GHz with less voltage than what is on the list on the first page.

My stable 3.6 on the first page was done with a room temp of 60*F which allowed me to get to 3.6 with 1.5V when I had my Zalman 9700. I just got my Dark Knight installed last night and the chip now seems to be more responsive but I can not get 3.6GHz stable with anything less than 1.5V.

I keep getting a garbled screen immediatly followed by a BSOD which, if I remember correctly was due to memory. I know the first thing that will be said is to remove two sticks so that only two banks is filled but I can assure you guys that is not the problem here, I get the exact same results with either 1, 2 or all 4 banks filled.

The settings I used last was:
HT Reference: 200
CPU Multiplier: 18x
CPU Voltage: 1.475
HT-Link Mulitplier: 10x
NB Multiplier: 10x
CPU-NB Voltage: 1.375

Memory Voltage: 2.1V
Memory Timings: 5-5-5-15
Memory CLock: 1066Mhz
Ganged Mode: Unganged

Max temps when loaded at 1.475V at 3.6GHz was ~53*C, it was ~51*C when I was loaded at 3.5GHz with 1.4375V so temps isn't being affected enough for them to become a worry...

Is there anything else I can do to try and acheive 3.6GHz?
ehhh you should like start your own thread. bout a couple of things, that voltage is very high on that speed. i can go 3.4 stable on stock voltages. while 3.5 with only +0.025v and 3.6 with +0.075. you may also want to leave your ht-link to stock at 9x, then raise the northbridge multi to 10, then try the fsb route.

also, you may want to try 2.2v at 1066 with timings of 5-5-5 or 4-4-4. if you're still not stable with it, try 1.8-2v at 800 with 5-5-5. you may also want to increase your northbridge voltage by a bit.

also, have you tried it with acc on? it usually gives about 100-400mhz max oc increase by just enabling it.

goodluck
   
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post #2442 of 2829
I decided to throw up the white flag, there is no getting to 3.6GHz for me without sticking the voltage to it.

I just tried tweaking everything again and this time with 2 and 4 memory banks filled. The only difference was with only 2 banks filled, I was able to get 3.5GHz with only 1.4V but still took 1.4875V to get 3.6GHz.

Quess I'll just run with more memory and lower temps... My try again for 3.6GHz later down the road, it is just plain bugging the crap out of me why it wants so much volt to get 200 extra MHz, I can hit 3.4GHz at stock volt (1.35V)...

Thanks for the tips gerikoh, unfortunatly none of them worked
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post #2443 of 2829
Quote:
Originally Posted by Gen View Post
I decided to throw up the white flag, there is no getting to 3.6GHz for me without sticking the voltage to it.

I just tried tweaking everything again and this time with 2 and 4 memory banks filled. The only difference was with only 2 banks filled, I was able to get 3.5GHz with only 1.4V but still took 1.4875V to get 3.6GHz.

Quess I'll just run with more memory and lower temps... My try again for 3.6GHz later down the road, it is just plain bugging the crap out of me why it wants so much volt to get 200 extra MHz, I can hit 3.4GHz at stock volt (1.35V)...

Thanks for the tips gerikoh, unfortunatly none of them worked
I'm having similar issues on my 2nd rig (lapped 940be + m3a79-T bios 1001). I can run stable 3.5g with 1.4v but it seems I cant get stable at 3.6g with less than 1.5v.
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post #2444 of 2829
Here's the results of my first session OCing my 940.





I got into Windows @ 4.002 (14.5x276) and 4.005 (15x267) but had fairly immediate BSOD's upon running P95.

Still working out the kinks. I'll see what I can come up with later.
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post #2445 of 2829
Quote:
Originally Posted by Gen View Post
Max temps when loaded at 1.475V at 3.6GHz was ~53*C, it was ~51*C when I was loaded at 3.5GHz with 1.4375V so temps isn't being affected enough for them to become a worry...

Is there anything else I can do to try and acheive 3.6GHz?
Gen, you also have to understand that not two processors are the same. It's quite possible you have reached the limit of the particular processor. Did you write down all the information labeled on the IHS? Would you mind posting up cpu-z screen shots of your current overclock? Please include each tab if you can. Have you tried updating your bios to see if that makes a difference?

Quote:
Originally Posted by Gen View Post
By the way, should I change the VDDA?
This question was also mentioned in this thread and it looks like a user may have answered it: http://www.overclock.net/amd-motherb...a-voltage.html (#5).

Good luck
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post #2446 of 2829
well one thing about this whole oc'ing stuff i do not understand :
cpu-z rejects my validation, but im running stable in any benchmark / stability test... no clue what the matter is with them
post #2447 of 2829
Quote:
Originally Posted by thlnk3r View Post
Gen, you also have to understand that not two processors are the same. It's quite possible you have reached the limit of the particular processor. Did you write down all the information labeled on the IHS? Would you mind posting up cpu-z screen shots of your current overclock? Please include each tab if you can. Have you tried updating your bios to see if that makes a difference?
Yes, I know no two processors is the same, buts whats funny is, I think I could easily hit 3.7 once I cross that 1.5V. All in all, I'm very satisfied with this chip, it was a night and day difference compared to my 9850 which would not go past 2.7GHz for nothing (could undervolt it though, to 1.2375V )

Th information of mu CPU is on the first page of the thread

I'll get the CPU-Z shot of my current 3.5GHz overclock. The most I have been able to get out of this thing was 3535MHz (202x17.5).

I have updated BIOS several times since I have had this board, if there is a new one out, I may give it a try...

Well, let me get those CPU-Z shots for ya

Edit: Also, I was able to boot to windows and get a validation (though it didnt pass ) at 3.8GHz, I could possible even get 3.9... I tried for 4GHz suicide run, took almost 1.6V and still could get to Windows was fun trying though, that was the most voltage I have ever stuck to a processor
Edited by Gen - 9/6/09 at 9:38am
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post #2448 of 2829
Idle temps a bit on the high side... but room temp is too, ~79*F.

Here it is...

Edit: Also, I see more people get a voltage drop when under load, mine goes up...

Edited by Gen - 9/6/09 at 9:45am
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post #2449 of 2829
Quote:
Originally Posted by hitman1985 View Post
well one thing about this whole oc'ing stuff i do not understand :
cpu-z rejects my validation, but im running stable in any benchmark / stability test... no clue what the matter is with them
Hitman1985, are you running the newest version of CPU-Z?

Quote:
Originally Posted by Gen View Post
Idle temps a bit on the high side... but room temp is too, ~79*F.

Edit: Also, I see more people get a voltage drop when under load, mine goes up...
Gen, thank you for posting up the screen shots. Everything looks good. One thing that is questionable is your NB Frequency. With anything over 2400Mhz you may have to apply some NB Freq voltage. How much have you applied? Did you try dropping the NB multiplier to see if the speed reduction helps with the processor overclock?

In regards to your voltage drop question, did you check "VDDA" to see if it's at AUTO?

Good luck
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post #2450 of 2829
Quote:
Originally Posted by Gen View Post
I have updated BIOS several times since I have had this board, if there is a new one out, I may give it a try...
I'm using the 1102 bios and they seem to be very solid. Having a little trouble getting any sort of stable past my first runs of 3.944 but have got into windows and functional past 4 gigs on all 3 times I've tried.

I'm getting some wacky temperatures with my watercooling setup though. I am going to re-seat here in a bit before I do anymore overclocking. My 9950 ran idle at 24-25C and 32-34C load a @ 3.2GHz. Out of the box stock the 940 ran 29C and 36-37C Load. And the 9950 was a 140W. May have fudged up the TIC on this last install.
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